I have already finished my homework.

At a time prior to the present moment.
She has already left for the day.
They already know about the surprise.
We have already eaten dinner.
already done
already finished
already known
previously
before
earlier
She has already eaten lunch.

At a time before now; previously.
I have already finished my homework.
They have already left for the party.
He has already seen that movie.
already know
already done
already mentioned
previously
before
earlier
It’s already time to go home.

Used to emphasize that something is true or has happened sooner than expected.
She has already finished her homework.
They are already here waiting for us.
I already ate lunch today.
already know
already seen
already finished
previously
beforehand
earlier